/Engine/Source/Editor/Sequencer/Public/SequencerChannelTraits.h
Add or update a key for this channel's current value, using an external value if possible
A handle to the added (or updated) key
namespace Sequencer { template<typename ChannelType, typename ValueType> [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) Sequencer::AddOrUpdateKey ( ChannelType * InChannel, [UMovieSceneSection](API\Runtime\MovieScene\UMovieSceneSection) * SectionToKey, const [TMovieSceneExternalValue](API\Runtime\MovieScene\Channels\TMovieSceneExternalValue)< ValueType > & InExternalValue, [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) InTime, [ISequencer](API\Editor\Sequencer\ISequencer) & InSequencer, const [FGuid](API\Runtime\Core\Misc\FGuid) & InObjectBindingID, [FTrackInstancePropertyBindings](API\Runtime\MovieScene\FTrackInstancePropertyBindings) * InPropertyBindings ) }